<!DOCTYPE html>
<html lang="en">
<head>
{% block head %}
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{% block title %}{% endblock %}</title>
    {% block css_style %}
    {% endblock %} 
{% endblock %}
</head>
<body>
    {% block content %}
    {% endblock %}    
    {% block js_script %}
    {% endblock %}
</body>
</html>